9943167173 has 4 divisors (see below), whose sum is σ = 9944423808. Its totient is φ = 9941910540.

The previous prime is 9943167167. The next prime is 9943167181. The reversal of 9943167173 is 3717613499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9943167173 - 2¹² = 9943163077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9943167103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616373 + ... + 632298.

It is an arithmetic number, because the mean of its divisors is an integer number (2486105952).

Almost surely, 2^9943167173 is an apocalyptic number.

It is an amenable number.

9943167173 is a deficient number, since it is larger than the sum of its proper divisors (1256635).

9943167173 is a wasteful number, since it uses less digits than its factorization.

9943167173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256634.

The product of its digits is 857304, while the sum is 50.

The square root of 9943167173 is about 99715.4309673282. The cubic root of 9943167173 is about 2150.3455131035.

The spelling of 9943167173 in words is "nine billion, nine hundred forty-three million, one hundred sixty-seven thousand, one hundred seventy-three".